:root {
  --primary: #4875f3;
  --primary-dark: #325bd4;
  --primary-light: #eff3fe;
  --accent: #0f172a;
  --body-bg: #f8fafc;
  --surface: #ffffff;
  --text-main: #1e293b;
  --text-sub: #64748b;
  --border: #e2e8f0;
  --shadow: 0 10px 25px -5px rgba(72, 117, 243, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --radius: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--body-bg);
  color: var(--text-main);
  line-height: 1.7;
  word-break: break-word;
  overflow-wrap: break-word;
}

.envelope-matrix {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 导航栏部分样式 */
.crest {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
}

.vector {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.sigil {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.125rem;
}

.sigil img {
  height: 36px;
  width: auto;
  display: block;
}

.sigil-script {
  color: var(--accent);
}

.tracer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.tracer-strand {
  padding: 8px 16px;
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.35s ease;
}

.tracer-strand:hover {
  color: var(--primary);
  background-color: var(--primary-light);
}

.tracer-strand.active {
  color: var(--primary);
  background-color: var(--primary-light);
  font-weight: 600;
}

/* 主主体容器 */
.chassis-sleeve {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

/* 内容块样式定义 */
.beacon-apogee {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 56px 40px;
  box-shadow: var(--shadow);
}

.apogee-print-chassis {
  background-color: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 48px 40px;
}

.beacon-subject {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.subject-secondary {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.3;
  margin-bottom: 16px;
}

.script-sub {
  font-size: 1.1rem;
  color: var(--text-sub);
  max-width: 800px;
  margin-bottom: 32px;
}

.flock-nexus {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 32px;
}

.bead-capsule {
  flex: 1 1 calc(33.333% - 16px);
  min-width: 260px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.bead-capsule:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px -5px rgba(72, 117, 243, 0.12);
}

.glyph-sleeve {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background-color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.glyph-sleeve svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.memo-packet {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

.ribbon-strand {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.6;
}

.impulse-keyer {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(72, 117, 243, 0.35);
  transition: all 0.35s ease;
}

.impulse-keyer:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(72, 117, 243, 0.45);
}

/* 电脑版特性双列与平铺网格 */
.matrix-nexus {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 24px;
}

.capsule-strand {
  flex: 1 1 calc(50% - 16px);
  min-width: 280px;
  background-color: var(--body-bg);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
}

.capsule-strand h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

/* 功能对比表格样式 */
.table-sleeve {
  width: 100%;
  overflow-x: auto;
  margin-top: 24px;
}

.comparison-matrix {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}

.comparison-matrix th,
.comparison-matrix td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.comparison-matrix th {
  background-color: var(--primary-light);
  color: var(--accent);
  font-weight: 700;
}

.comparison-matrix tr:hover td {
  background-color: rgba(72, 117, 243, 0.02);
}

.stamp-script {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 20px;
  background-color: var(--primary-light);
  color: var(--primary);
}

/* 页脚样式 */
.suffix-ground {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  margin-top: auto;
}

.terminus-nexus {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.signoff-script {
  color: var(--text-sub);
  font-size: 0.9rem;
}

.terminus-flock {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.terminus-strand {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.35s ease;
}

.terminus-strand:hover {
  color: var(--primary);
}

/* 响应式排版变动 */
@media (max-width: 768px) {
  .vector {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .tracer {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .beacon-apogee,
  .apogee-print-chassis {
    padding: 32px 20px;
  }
  .bead-capsule,
  .capsule-strand {
    flex: 1 1 100%;
  }
}

.vector-crest{
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #e2e8f0;
            position: sticky;
            top: 0;
            z-index: 100;
            width: 100%;
        }

.vector-crest .vector-vector{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

.vector-crest .vector-sigil{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            min-width: 0;
        }

.vector-crest .vector-sigil img{
            height: 40px;
            width: auto;
            display: block;
        }

.vector-crest .vector-sigil-script{
            font-size: 1.125rem;
            font-weight: 700;
            color: #0f172a;
            white-space: normal;
        }

.vector-crest .vector-tracer{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

.vector-crest .vector-tracer-strand{
            padding: 8px 16px;
            color: #64748b;
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 8px;
            transition: all 0.35s ease;
        }

.vector-crest .vector-tracer-strand:hover{
            color: #4875f3;
            background-color: #eff3fe;
        }

.vector-crest .vector-tracer-strand.vector-active{
            color: #4875f3;
            background-color: #eff3fe;
            font-weight: 600;
        }

@media (max-width: 768px){.vector-crest .vector-vector{
                height: auto;
                padding: 16px;
                flex-direction: column;
                gap: 16px;
            }

.vector-crest .vector-tracer{
                width: 100%;
                justify-content: center;
            }}

.vector-crest {
    background: rgb(255, 255, 255);
    background-image: none;
}

.terminus-envelope {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    word-break: break-word;
    color: var(--text-main);
}
.terminus-envelope,
.terminus-envelope *,
.terminus-envelope *::before,
.terminus-envelope *::after {
    box-sizing: border-box;
}

.terminus-envelope nav,
.terminus-envelope div,
.terminus-envelope section,
.terminus-envelope article,
.terminus-envelope aside,
.terminus-envelope p,
.terminus-envelope h1,
.terminus-envelope h2,
.terminus-envelope h3,
.terminus-envelope h4,
.terminus-envelope h5,
.terminus-envelope h6,
.terminus-envelope a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.terminus-envelope p,
.terminus-envelope h1,
.terminus-envelope h2,
.terminus-envelope h3,
.terminus-envelope h4,
.terminus-envelope h5,
.terminus-envelope h6 {
    text-decoration: none;
}

.terminus-envelope img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.terminus-envelope {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.terminus-envelope a,
.terminus-envelope a:hover,
.terminus-envelope a:focus,
.terminus-envelope a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.terminus-envelope{
            width: 100%;
            min-height: 100vh;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
        }

.terminus-envelope .terminus-crest{
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #e2e8f0;
            position: sticky;
            top: 0;
            z-index: 100;
            width: 100%;
        }

.terminus-envelope .terminus-vector{
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

.terminus-envelope .terminus-sigil{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            min-width: 0;
        }

.terminus-envelope .terminus-sigil img{
            height: 40px;
            width: auto;
            display: block;
        }

.terminus-envelope .terminus-sigil-script{
            font-size: 1.125rem;
            font-weight: 700;
            color: #0f172a;
            white-space: normal;
        }

.terminus-envelope .terminus-tracer{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

.terminus-envelope .terminus-tracer-strand{
            padding: 8px 16px;
            color: #64748b;
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 8px;
            transition: all 0.35s ease;
        }

.terminus-envelope .terminus-tracer-strand:hover{
            color: #4875f3;
            background-color: #eff3fe;
        }

.terminus-envelope .terminus-tracer-strand.terminus-active{
            color: #4875f3;
            background-color: #eff3fe;
            font-weight: 600;
        }

.terminus-envelope .terminus-beacon-apogee{
            background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
            padding: 64px 24px 80px;
            border-bottom: 1px solid #e2e8f0;
        }

.terminus-envelope .terminus-beacon-chassis{
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

.terminus-envelope .terminus-beacon-sleeve{
            max-width: 900px;
            width: 100%;
            margin-bottom: 40px;
        }

.terminus-envelope .terminus-beacon-subject{
            font-size: clamp(2rem, 4vw, 3.25rem);
            font-weight: 800;
            color: #0f172a;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

.terminus-envelope .terminus-beacon-subject span{
            color: #4875f3;
        }

.terminus-envelope .terminus-beacon-script{
            font-size: 1.15rem;
            color: #64748b;
            max-width: 780px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

.terminus-envelope .terminus-tapper-nexus{
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            margin-bottom: 24px;
        }

.terminus-envelope .terminus-impulse-keyer{
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background-color: #4875f3;
            color: #ffffff;
            font-weight: 600;
            font-size: 1.05rem;
            text-decoration: none;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(72, 117, 243, 0.35);
            transition: all 0.35s ease;
        }

.terminus-envelope .terminus-impulse-keyer:hover{
            background-color: #325bd4;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(72, 117, 243, 0.45);
        }

.terminus-envelope .terminus-impulse-keyer-ghost{
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            background-color: #ffffff;
            color: #1e293b;
            font-weight: 600;
            font-size: 1.05rem;
            text-decoration: none;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            transition: all 0.35s ease;
        }

.terminus-envelope .terminus-impulse-keyer-ghost:hover{
            border-color: #4875f3;
            color: #4875f3;
            transform: translateY(-2px);
            background-color: #eff3fe;
        }

.terminus-envelope .terminus-apogee-print-chassis{
            width: 100%;
            background-color: #ffffff;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
            box-shadow: 0 10px 25px -5px rgba(72, 117, 243, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
            padding: 32px;
            margin-top: 16px;
        }

.terminus-envelope .terminus-ticker-ribbon{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            gap: 24px;
        }

.terminus-envelope .terminus-ticker-bead{
            flex: 1;
            min-width: 200px;
            padding: 20px;
            background: #f8fafc;
            border-radius: 12px;
            text-align: left;
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

.terminus-envelope .terminus-ticker-bead-subject{
            font-size: 1.75rem;
            font-weight: 800;
            color: #4875f3;
            margin-bottom: 4px;
        }

.terminus-envelope .terminus-ticker-bead-script{
            font-size: 0.9rem;
            color: #64748b;
            font-weight: 500;
        }

.terminus-envelope .terminus-capsule-sleeve{
            padding: 80px 24px;
            max-width: 1280px;
            margin: 0 auto;
            width: 100%;
        }

.terminus-envelope .terminus-matrix-nexus{
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: center;
        }

.terminus-envelope .terminus-capsule-packet{
            flex: 1;
            min-width: 320px;
        }

.terminus-envelope .terminus-capsule-subject{
            font-size: 2rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 20px;
            line-height: 1.3;
        }

.terminus-envelope .terminus-capsule-script{
            color: #64748b;
            font-size: 1.05rem;
            margin-bottom: 24px;
            line-height: 1.8;
        }

.terminus-envelope .terminus-bead-flock{
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 16px;
        }

.terminus-envelope .terminus-bead-memo{
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: flex-start;
            padding: 16px;
            background: #ffffff;
            border-radius: 10px;
            border: 1px solid #e2e8f0;
        }

.terminus-envelope .terminus-glyph-sleeve{
            width: 44px;
            height: 44px;
            background-color: #eff3fe;
            color: #4875f3;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

.terminus-envelope .terminus-bead-subject{
            font-size: 1.05rem;
            font-weight: 600;
            color: #0f172a;
            margin-bottom: 4px;
        }

.terminus-envelope .terminus-bead-script{
            font-size: 0.925rem;
            color: #64748b;
        }

.terminus-envelope .terminus-print-packet{
            flex: 1;
            min-width: 320px;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid #e2e8f0;
            box-shadow: 0 10px 25px -5px rgba(72, 117, 243, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
        }

.terminus-envelope .terminus-print-packet img{
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

.terminus-envelope .terminus-memo-nexus{
            background-color: #ffffff;
            border-top: 1px solid #e2e8f0;
            border-bottom: 1px solid #e2e8f0;
            padding: 80px 24px;
            width: 100%;
        }

.terminus-envelope .terminus-memo-chassis{
            max-width: 1280px;
            margin: 0 auto;
        }

.terminus-envelope .terminus-memo-crest{
            text-align: center;
            max-width: 760px;
            margin: 0 auto 56px;
        }

.terminus-envelope .terminus-memo-subject{
            font-size: 2rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 16px;
        }

.terminus-envelope .terminus-memo-script{
            font-size: 1.05rem;
            color: #64748b;
        }

.terminus-envelope .terminus-ecosystem-matrix{
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }

.terminus-envelope .terminus-ecosystem-print-sleeve{
            flex: 1;
            min-width: 320px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 25px -5px rgba(72, 117, 243, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
            border: 1px solid #e2e8f0;
        }

.terminus-envelope .terminus-ecosystem-print-sleeve img{
            width: 100%;
            height: auto;
            display: block;
        }

.terminus-envelope .terminus-ecosystem-flock{
            flex: 1;
            min-width: 320px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

.terminus-envelope .terminus-ecosystem-capsule{
            width: 100%;
            background-color: #f8fafc;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            transition: all 0.35s ease;
        }

.terminus-envelope .terminus-ecosystem-capsule:hover{
            transform: translateY(-3px);
            border-color: #4875f3;
            box-shadow: 0 10px 25px -5px rgba(72, 117, 243, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
        }

.terminus-envelope .terminus-ecosystem-subject{
            font-size: 1.15rem;
            font-weight: 600;
            color: #0f172a;
            margin-bottom: 8px;
        }

.terminus-envelope .terminus-ecosystem-script{
            font-size: 0.95rem;
            color: #64748b;
            line-height: 1.6;
        }

.terminus-envelope .terminus-packet-chassis{
            padding: 80px 24px;
            max-width: 1280px;
            margin: 0 auto;
            width: 100%;
        }

.terminus-envelope .terminus-packet-crest{
            text-align: center;
            max-width: 800px;
            margin: 0 auto 56px;
        }

.terminus-envelope .terminus-packet-subject{
            font-size: 2rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 16px;
        }

.terminus-envelope .terminus-packet-script{
            font-size: 1.05rem;
            color: #64748b;
        }

.terminus-envelope .terminus-matrix-grid{
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

.terminus-envelope .terminus-matrix-bead{
            flex: 1;
            min-width: 280px;
            background: #ffffff;
            padding: 32px 24px;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            box-shadow: 0 10px 25px -5px rgba(72, 117, 243, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            justify-content: space-between;
        }

.terminus-envelope .terminus-matrix-bead-crest{
            margin-bottom: 20px;
        }

.terminus-envelope .terminus-matrix-bead-subject{
            font-size: 1.25rem;
            font-weight: 700;
            color: #0f172a;
            margin-top: 16px;
            margin-bottom: 8px;
        }

.terminus-envelope .terminus-matrix-bead-script{
            font-size: 0.95rem;
            color: #64748b;
            line-height: 1.7;
        }

.terminus-envelope .terminus-pathway-matrix{
            background: linear-gradient(180deg, #f8fafc 0%, #edf2ff 100%);
            padding: 80px 24px;
            border-top: 1px solid #e2e8f0;
            width: 100%;
        }

.terminus-envelope .terminus-pathway-chassis{
            max-width: 1280px;
            margin: 0 auto;
        }

.terminus-envelope .terminus-pathway-crest{
            margin-bottom: 40px;
        }

.terminus-envelope .terminus-pathway-subject{
            font-size: 1.85rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 12px;
        }

.terminus-envelope .terminus-pathway-script{
            font-size: 1rem;
            color: #64748b;
        }

.terminus-envelope .terminus-pathway-flock{
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

.terminus-envelope .terminus-pathway-capsule{
            flex: 1;
            min-width: 260px;
            background: #ffffff;
            padding: 28px;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            text-decoration: none;
            transition: all 0.35s ease;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            justify-content: space-between;
        }

.terminus-envelope .terminus-pathway-capsule:hover{
            transform: translateY(-4px);
            border-color: #4875f3;
            box-shadow: 0 12px 30px -10px rgba(72, 117, 243, 0.2);
        }

.terminus-envelope .terminus-pathway-bead-subject{
            font-size: 1.2rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.terminus-envelope .terminus-pathway-bead-script{
            font-size: 0.925rem;
            color: #64748b;
            line-height: 1.6;
            margin-bottom: 16px;
        }

.terminus-envelope .terminus-pathway-strand{
            color: #4875f3;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

.terminus-envelope .terminus-terminus{
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 24px 32px;
            border-top: 1px solid #1e293b;
            width: 100%;
        }

.terminus-envelope .terminus-signoff-chassis{
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
            margin-bottom: 48px;
        }

.terminus-envelope .terminus-signoff-bead{
            flex: 2;
            min-width: 280px;
        }

.terminus-envelope .terminus-signoff-brand{
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }

.terminus-envelope .terminus-signoff-script{
            font-size: 0.925rem;
            line-height: 1.7;
            max-width: 480px;
        }

.terminus-envelope .terminus-signoff-flock{
            flex: 1;
            min-width: 160px;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 12px;
        }

.terminus-envelope .terminus-signoff-subject{
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 4px;
        }

.terminus-envelope .terminus-signoff-strand{
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.35s ease;
        }

.terminus-envelope .terminus-signoff-strand:hover{
            color: #4875f3;
        }

.terminus-envelope .terminus-ground-ribbon{
            max-width: 1280px;
            margin: 0 auto;
            padding-top: 32px;
            border-top: 1px solid #1e293b;
            text-align: center;
            font-size: 0.875rem;
            color: #64748b;
        }

@media (max-width: 1024px){.terminus-envelope .terminus-matrix-bead{
                flex: 1 1 calc(50% - 24px);
            }}

@media (max-width: 768px){.terminus-envelope .terminus-vector{
                height: auto;
                padding: 16px;
                flex-direction: column;
                gap: 16px;
            }

.terminus-envelope .terminus-tracer{
                width: 100%;
                justify-content: center;
            }

.terminus-envelope .terminus-beacon-apogee{
                padding: 40px 16px 60px;
            }

.terminus-envelope .terminus-beacon-subject{
                font-size: 1.85rem;
            }

.terminus-envelope .terminus-matrix-nexus, .terminus-envelope .terminus-ecosystem-matrix{
                flex-direction: column;
                gap: 32px;
            }

.terminus-envelope .terminus-matrix-bead{
                flex: 1 1 100%;
            }

.terminus-envelope .terminus-pathway-capsule{
                flex: 1 1 100%;
            }

.terminus-envelope .terminus-signoff-chassis{
                flex-direction: column;
                gap: 32px;
            }}